The Twelve Coupé-Roadster is a rear wheel drive convertible/cabriolet road car with a front located engine, produced by Packard.
It is powered by a naturally aspirated engine of 7.8 litre capacity. This unit features side valve valve gear, 12 cylinder layout, and 2 valves per cylinder. It produces 175 bhp (177 PS/130 kW) of power at 3200 rpm.
A 3 speed manual gearbox supplies the power to the driven wheels.
Full specs
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| Karosserie | |||
|---|---|---|---|
| Karosserie | 2/4 seater convertible/cabriolet | ||
| Anzahl türen | 2 | ||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 3531 | 139 Zoll | |
| Spurweite vorn | |||
| Spurweite hinten | |||
| Länge | |||
| Breite | |||
| Höhe | |||
| Bodenfreiheit | |||
| Leergewicht | |||
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | 113.7 litres | 25 [30] UK [US] gal. | |
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | Packard | ||
| Motor-Typ | |||
| Anzahl zylinders | V 12 | ||
| Hubraum | 7.8 litre 7756 cc (473.3 cu in) |
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| Bohrung × Hub | 87.31 × 107.95 mm
3.44 × 4.25 in |
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| Bohrung/Hub Verhältnis | 0.81 | ||
| Verteilung | side valve (SV)
2 Ventile pro Zylinder 24 Insgesamt Ventile |
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| Leistung | 177 PS (175 bhp) (130 kW) bei 3200 U/min |
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| Max. Drehmoment | |||
| spezifisches Leistung | 16.8 kW/litre 22.9 ps/litre 22.6 bhp/litre 0.37 bhp/cu in |
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| Engine construction | |||
| Schmierung | |||
| Verdichtungsverhältnis | |||
| Vergasser/Einspritzung | 1 carburettor | ||
| effektiver Mitteldruck | |||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | |||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 646.33 cc | ||
| Aspiration | Normal | ||
| Kompressor-typ | N/A | ||
| Ladeluftkühler | None | ||
| Katalysator | N | ||
| Fahrleistungen | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vmax/Höchstgeschwindigkeit | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Verbrauch | |||
| Verbrauch | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Fahrgestell | |||
| Motor Platzierung | front | ||
| Engine layout | longitudinal | ||
| Antrieb | rear wheel drive | ||
| Drehmomentverteilung | N/A | ||
| Lenkungtyp | |||
| Lenkradumdrehungen | |||
| Wendekruis | |||
| Radaufhängen vorn | |||
| Radaufhängen hintern | |||
| Rädergröße vorn | |||
| Rädergröße hintern | |||
| Reifen vorn | |||
| Reifen hintern | |||
| Bremsen vorn/hintern | Dr/Dr | ||
| Bremse Durchmesser vorn | |||
| Bremse Durchmesser hintern | |||
| Braked area | |||
| Getriebe | 3 gang Schaltgetriebe | ||
| Hinterachse | |||
| Hinterachse Übersetzungen | |||
| Allgemein | |||
| Carfolio.com ID | 333729 | ||
| Production total | |||
| Modellnummer | 1507-1039 | ||
| RAC rating | 56.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1937 Packard Twelve Coupé-Roadster added 2013-04-20. Last modified 2020-02-02. |
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